<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<title></title>
	<link rel="stylesheet" href="">
</head>
<body>
<script src="https://cdn.bootcss.com/vue/2.3.4/vue.js"></script>
<div id="app">
    <ul>
        <li v-for="(val,key) in obj">{{key}}----{{val}}</li>
    </ul>
</div>
<script>
   var app=new Vue({
       el:"#app",
       data:{
           obj:{name:'张三',sex:'男',hobby:'睡大觉'}
       }
   });
    Vue.delete(app.obj,'hobby');
</script>	
</body>
</html>